Spark plug number five misfiring

Tiny
NICHOLAS FREEMAN
  • MEMBER
  • 2008 CHEVROLET UPLANDER
  • 6 CYL
  • AUTOMATIC
  • 150,000 MILES
Spark plug number five is misfiring and the van is running real sluggish like it wants to cut off while on. I just want to know if you think the control module or coil has gone out? I changed spark plugs and wires then it started doing it there was no check engine lights on before he serviced the car
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Thursday, March 2nd, 2017 AT 7:53 AM

1 Reply

Tiny
KEN L
  • ADMIN
Hey Nicholas,

I would remove the spark plug you installed and replace it with a new one, sometimes they can get cracked when installing them.

Please let me know.

Best, Ken
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Thursday, March 2nd, 2017 AT 4:29 PM

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